hash-wallet/cw_monero/lib/trezor.dart

import 'dart:convert';

import 'package:cw_core/hardware/hardware_wallet_service.dart';
import 'package:trezor_flutter/trezor_flutter.dart';

class MoneroTrezorService extends HardwareWalletService {
  final TrezorClient client;

  MoneroTrezorService(this.client);
}

class MoneroTrezorWatchCredentials {
  final String watchKey;
  final String address;

  const MoneroTrezorWatchCredentials(this.watchKey, this.address);
}

class Trezor {
  final MoneroTrezorService service;

  Trezor(this.service);

  Future<MoneroTrezorWatchCredentials> getWatchCredentials() async {
    final credentials = await TrezorMonero(service.client).getWatchCredentials();

    return MoneroTrezorWatchCredentials(credentials.$1, credentials.$2);
  }

  Future<String> keyImageSync(String tdis) async {
    final tdisMap = jsonDecode(tdis) as Map<String, dynamic>;
    final tdisList = tdisMap["tdis"] as List<dynamic>;

    final txIds = <MoneroKeyImageTxData>[];
    for (final tdi in tdisList) {
      txIds.add(MoneroKeyImageTxData(
        outKey: tdi["out_key"],
        txPubKey: tdi["tx_pub_key"],
        internalOutputIndex: tdi["internal_output_index"],
        subAddrMajor: tdi["sub_addr_major"],
        subAddrMinor: tdi["sub_addr_minor"],
        additionalTxPubKeys: (tdi["additional_tx_pub_keys"] as List?)?.map((e) => e as String).toList() ?? []
      ));
    }
    final keyImages = await TrezorMonero(service.client).syncKeyImages(txIds);

    return jsonEncode(keyImages.toMap());
  }

  Future<String> signTransaction(String json) async {
    return TrezorMonero(service.client).signTransaction(jsonDecode(json));
  }
}